Swing seat or similar article



FIG. 1 is a front elevation view of the swing seat or similar article claimed herein;

FIG. 2 is a side prospective view of the swing seat or similar article claimed herein;

FIG. 3 is a rear view of the swing seat or similar article claimed herein; and

FIG. 4 is a rear-bottom oblique view of the swing seat or similar article claimed herein.

The right side of chair as shown in FIG. 1 is the mirror image of the left side thereof as shown in FIG. 2. 

The ornamental design for a swing seat or similar article, substantially as shown. 